Service difficulty report · Door · Boeing 7377H4

Difficulty date
April 25, 2023
Submitted
May 25, 2023
Operation
Air carrier
Aircraft
N959WN
Make and model
Boeing 7377H4
Aircraft serial
36674
Aircraft time
38,285 hours, 23,370 cycles
Part
Door
Condition
Cracked
Location
Zn 800 Door
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACK ON FWD ENTRY DOOR MOP SILL; BS 294.3; LBL 60; WL 208.<[01] VERIFIED APPLICABILITY OF SRM 53-10-15-1A-1-A00051 ALLOWABLE DAMAGE (PERMANENT (NON-DENT DAMAGE TYPES));[02] ACCOMPLISHED EVALUATION ON DAMAGE ON FWD ENTRY DOOR MOP SILL BS294.3 LBL-30 WL-208 IAW SRM 53-10-15-1A-1 PART 4.C(1) FIG.108 DETAIL G AND FOUND TO BE OUT OF LIMITS L=0.839'' TOOL USED CALIPER ID: ATS2500 CAL DUE DATE:04/2024. PART REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 PART 9.C(1);[03] UPDATE LOCATION ON ITEM 2: LBL-60;[04] REMOVED FWD ENTRY DOOR MOP SILL IAW SRM 51-40-02-0G-0;[05] UPDATE PARTIAL STEP 1;[06] VERIFIED CORRECTIVE ACTION 1; 2; 3; 4 AND 5;[07] LOCATED AND DRILLED NEW FWD ENTRY DOOR MOP SILL P/N 654A0004-1073; LOT#1525281-1 IAW SRM 51-40-05-0G-0 AND DWG#141A8110 OK TO INSTALL NEW FED MOP SILL;[08] VERIFIED CORRECTIVE ACTIONS STEP 1; OK TO INSTALL GIVEN.;[09] CORRECTION FOR CORRECTIVE ACTIONS STEP 8; SHOULD'VE BEEN VERIFIED CORRECTIVE ACTIONS STEP 7. OK TO INSTALL GIVEN.;[10] INSTALLED FWD ENTRY DOOR MOPS SILL PER SRM 51-40-02-0G-0 AND DWG 141A8110;[11] VERIFIED CORRECTIVE ACTION 10.;[12] STEP 1<BR>INSTALLED GIRT BAR FITTING COMMON TO FWD ENTRY DOOR MOPS SILL STA-312 AND STA-344 LBL-60 WL-208 IAW IPC 53-42-00-29 AND AMM 20-50-11. TOOL ID:ATS2659; S/N:0821900692; DUE DATE 08/2023;[13] UPDATED INSTALLED PARTS INFORMATION;[14] VERIFIED CORRECTIVE ACTION 12 IS COMPLETE.;[15] TASK IS COMPLETE.

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